I don't have basement air but there certainly seems to be a lot of issues. Has anyone replaced the basement air with a Espar climate system? They run 12 or 24 volt so you wouldn't need the generator running, maybe a bigger alternator though.

Espar Heater Systems | Espar Climate Systems | Air Conditioners
[h=1]Air Conditioning for the Buses of Tomorrow[/h][h=3]POWERFUL, MODULAR PRODUCT RANGES:[/h]The modular nature of the components within the product ranges enables us to present a wide range of customer requirements in flexible products suitable for series production.ENERGY EFFICIENT AND ENVIRONMENTALLY AWARE:Our air conditioning systems for buses not only ensure maximum temperature comfort, but also make an active contribution to protecting resources and the environment. We achieve this through the use of intelligent, lightweight concepts and compact designs. Heat exchangers designed to automotive standards as well as highly efficient fan technology also increase efficiency while reducing the load on the fuel tank and battery.TREND-SETTING CLIMATE CONTROL SOLUTIONS:Our portfolio offers innovative product and system solutions for both present and future generations of buses and motorcoaches. We also have products suitable for buses with hybrid or electric drive concepts.OEM AND AFTERMARKET APPLICATION EXPERTISE:Thanks to our decades of experience, we not only supply the air conditioning system as an aftermarket component but we are also able to interpret and analyze the overall system during the concept phase. This makes us a sought-after OEM development partner for many bus manufacturers.Espar’s product family offers extremely adaptable heating, ventilation, and air conditioning solutions for city buses, intercity buses, motorcoaches, and school buses. These products are the result of continuous refinement and provide comfort, even in the most extreme climates. Thanks to its compact dimensions and lightweight construction, Espar’s air conditioning solutions can fit on any bus roof, regardless of model configuration. Even under pressure, they have proven their ability to provide the most advanced solutions worldwide.ADDITIONAL BENEFITS